-3(m-9)=21+42m

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Solution for -3(m-9)=21+42m equation:


Simplifying
-3(m + -9) = 21 + 42m

Reorder the terms:
-3(-9 + m) = 21 + 42m
(-9 * -3 + m * -3) = 21 + 42m
(27 + -3m) = 21 + 42m

Solving
27 + -3m = 21 + 42m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-42m' to each side of the equation.
27 + -3m + -42m = 21 + 42m + -42m

Combine like terms: -3m + -42m = -45m
27 + -45m = 21 + 42m + -42m

Combine like terms: 42m + -42m = 0
27 + -45m = 21 + 0
27 + -45m = 21

Add '-27' to each side of the equation.
27 + -27 + -45m = 21 + -27

Combine like terms: 27 + -27 = 0
0 + -45m = 21 + -27
-45m = 21 + -27

Combine like terms: 21 + -27 = -6
-45m = -6

Divide each side by '-45'.
m = 0.1333333333

Simplifying
m = 0.1333333333

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